18 years- old Zheng Wei, as she always dreamed of, is accepted by the college neighbouring to the one where her childhood sweetheart Lin Jing studies. However, Lin Jing goes abroad to study without staying in contact. Through a random misunderstanding, she becomes an enemy with the outstanding student Chen Xiaozheng. After many conflicts, they eventually fall in love with each other. Graduation approaches, Chen Xiaozheng Choose success over Zheng Wei and leaves to study in the U.S.. Many years pass, both Lin Jing and Chen Xiaozheng return to Zheng Wei's life with regrets and feelings for her. Zheng Wei faces the choices and confusions the life and youth presents her.